Abstract:TiO 2 nanoparticles can improve the electrical performance of oil paper insulation. In this study, 10 nm TiO 2 nanoparticles were prepared and dispersed into transformer oil, and then immerse pressboards in it to obtain nanofluid impregnated pressboards (NP). Its thermal aging was accelerated together with the reference sample at 130 • C for 36 days. Analyzing the acid value in the oil, polymerization degree, surface topography, AC breakdown strength, surface flashover characteristics and surface potential dec… Show more
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